KeyUtil.java

/**
 * Copyright (C) 2012 Ness Computing, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.nesscomputing.service.discovery.client.internal;

import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Collection;

/** This file has been copied from the spymemcached source tree.
 *
 */

/**
 * Utilities for processing key values.
 */
public class KeyUtil {

    /**
     * Get the bytes for a key.
     *
     * @param k the key
     * @return the bytes
     */
    public static byte[] getKeyBytes(String k) {
        return k.getBytes(StandardCharsets.UTF_8);
    }

    /**
     * Get the keys in byte form for all of the string keys.
     *
     * @param keys a collection of keys
     * @return return a collection of the byte representations of keys
     */
    public static Collection<byte[]> getKeyBytes(Collection<String> keys) {
        Collection<byte[]> rv=new ArrayList<byte[]>(keys.size());
        for(String s : keys) {
            rv.add(getKeyBytes(s));
        }
        return rv;
    }
}